Finding the Fourth Proportional to 189,696,584.13, 261,701,126.01 and 126,992,884.25
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Solution
The fourth proportional to 189,696,584.13, 261,701,126.01 and 126,992,884.25 is: 175,196,516.88
Step by Step Solution
- Step 1: Write the proportion equation
189,696,584.13 : 261,701,126.01 = 126,992,884.25 : x - Step 2: Convert to fraction form
189,696,584.13/261,701,126.01 = 126,992,884.25/x - Step 3: Cross multiply
189,696,584.13x = 261,701,126.01 × 126,992,884.25 - Step 4: Simplify right side
189,696,584.13x = 33,234,180,803,482,592 - Step 5: Solve for x
x = 33,234,180,803,482,592/189,696,584.13 - Step 6: Final answer
x = 175,196,516.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.